Add submodules and build scripts

These will be made default in 1.9, dropping PaperTools support

remap.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+PS1="$"
+basedir=`pwd`
+workdir=$basedir/work
+minecraftversion=$(cat BuildData/info.json | grep minecraftVersion | cut -d '"' -f 4)
+minecrafthash=$(cat BuildData/info.json | grep minecraftHash | cut -d '"' -f 4)
+accesstransforms=BuildData/mappings/$(cat BuildData/info.json | grep accessTransforms | cut -d '"' -f 4)
+classmappings=BuildData/mappings/$(cat BuildData/info.json | grep classMappings | cut -d '"' -f 4)
+membermappings=BuildData/mappings/$(cat BuildData/info.json | grep memberMappings | cut -d '"' -f 4)
+packagemappings=BuildData/mappings/$(cat BuildData/info.json | grep packageMappings | cut -d '"' -f 4)
+jarpath=$workdir/$minecraftversion/$minecraftversion
+
+echo "Downloading unmapped vanilla jar..."
+if [ ! -f  "$jarpath.jar" ]; then
+    mkdir -p "$workdir/$minecraftversion"
+    curl -s -o "$jarpath.jar" "https://s3.amazonaws.com/Minecraft.Download/versions/$minecraftversion/minecraft_server.$minecraftversion.jar"
+    if [ "$?" != "0" ]; then
+        echo "Failed to download the vanilla server jar. Check connectivity or try again later."
+        exit 1
+    fi
+fi
+
+checksum=$(md5sum "$jarpath.jar" | cut -d ' ' -f 1)
+if [ "$checksum" != "$minecrafthash" ]; then
+    echo "The MD5 checksum of the downloaded server jar does not match the BuildData hash."
+    exit 1
+fi
+
+echo "Applying class mappings..."
+if [ ! -f "$jarpath-cl.jar" ]; then
+    java -jar BuildData/bin/SpecialSource-2.jar map -i "$jarpath.jar" -m "$classmappings" -o "$jarpath-cl.jar" 1>/dev/null
+    if [ "$?" != "0" ]; then
+        echo "Failed to apply class mappings."
+        exit 1
+    fi
+fi
+
+echo "Applying member mappings..."
+if [ ! -f "$jarpath-m.jar" ]; then
+    java -jar BuildData/bin/SpecialSource-2.jar map -i "$jarpath-cl.jar" -m "$membermappings" -o "$jarpath-m.jar" 1>/dev/null
+    if [ "$?" != "0" ]; then
+        echo "Failed to apply member mappings."
+        exit 1
+    fi
+fi
+
+echo "Creating remapped jar..."
+if [ ! -f "$jarpath-mapped.jar" ]; then
+    java -jar BuildData/bin/SpecialSource.jar --kill-lvt -i "$jarpath-m.jar" --access-transformer "$accesstransforms" -m "$packagemappings" -o "$jarpath-mapped.jar" 1>/dev/null
+    if [ "$?" != "0" ]; then
+        echo "Failed to create remapped jar."
+        exit 1
+    fi
+fi
+
+echo "Installing remapped jar..."
+cd CraftBukkit # Need to be in a directory with a valid POM at the time of install.
+mvn install:install-file -q -Dfile="$jarpath-mapped.jar" -Dpackaging=jar -DgroupId=org.spigotmc -DartifactId=minecraft-server -Dversion="$minecraftversion-SNAPSHOT"
+if [ "$?" != "0" ]; then
+    echo "Failed to install remapped jar."
+    exit 1
+fi